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Patents Published on 05/19/1987


See All Patents Issued In 1987


          6            
NumberTitleIssue Date
4665763Worm gear drive
A worm gear drive wherein revolvable spheres captured in respective cages are equally spaced about a wheel rim with their centers on a common circle to mesh with a worm groove by rolling only on a track defined by a sidewall of that groove without sliding...
05/19/1987
4665764Rotary actuator
A rotary actuator has a Geneva wheel having in one end surface thereof an annular central recess and a plurality of angularly equally spaced and radially extending grooves connected to the central recess, a driving rotor connected to a rotary driving sour...
05/19/1987
4665765Anti-friction worm gear speed reducer and needle screw
An anti-friction worm-worm gear type speed reducer torque converter is disclosed. The speed reducer has a rotatably mounted worm gear adapted to mesh with a rotatably mounted worm incorporating a plurality of circulating rolling elements. In one embodimen...
05/19/1987
4665766Shaft member
A shaft-end constituent member (14) of a material which is different from that of a shaft (12) is firmly attached to one end of the shaft (12). The shaft-end constituent member (14) is provided with an axial projection (15) corresponding to a recess (13) ...
05/19/1987
4665767Bicycle pedal with foot holder
A bicycle pedal comprising a pedal shaft firmly connectable with a treadle frame of a bicycle, a pedal body rotatably journalled on the pedal shaft and a tightenable foot holder connected with the pedal body. As for safety reasons it is essential that the peda...
05/19/1987
4665768Power take-off shaft shield assembly
A tractor power take-off shaft shield assembly having a pair of spaced side plates on either side of the shafts, a movable top plate which slideable between an extended position covering the shafts and a retracted position exposing the shafts, and locking...
05/19/1987
4665769Differential drive
A differential system for transmitting power to a split pair of wheel axles utilizes a coupled pair of special planetary gear sets to proportion torque when the wheels negotiate a turn or lose traction. The gear ratio of each set is such that when the dri...
05/19/1987
4665770Control system for a multiple ratio transmission having a lockup clutch torque converter
A control valve system for an automatic transmission having a hydrokinetic torque converter, a lockup clutch in the torque converter for mechanically bypassing the hydrokinetic torque flow path, speed and torque responsive valves for effecting ratio chang...
05/19/1987
4665771Hypocyclic drive
A traction drive and speed changing device with a pair of aligned shafts extending out of opposite ends of a housing and in alignment. Contained within the housing is an internal race or annular bearing surface. A pair of rollers, each of lesser diameter ...
05/19/1987
4665772Shift control system for implement transmission
A shift control system for a material handling implement including a transmission having a plurality of selectively electrically-operated hydraulic clutches is disclosed. The system includes a manually positionable gear selector which provides electrical ...
05/19/1987
4665773Continuously variable transmission apparatus for automobile
In a continuously variable transmission apparatus for a vehicle having a slip type clutch disposed between a drive shaft of an engine and an input shaft of a continuously variable transmission mechanism, a torque detecting device to detect torque of the e...
05/19/1987
4665774Hydraulic control for automatic transmission wherein sequential clutch engagement is controlled by an accumulator
A hydraulic control for an automatic transmission which comprises first and second friction coupling members, a first fluid passage for supplying an operating fluid for coupling the first friction coupling member, a second fluid passage for supplying an o...
05/19/1987
4665775Speed ratio control for a steplessly variable transmission
A steplessly variable transmission of a belt-pulley type of which speed ratio is controlled in accordance with the vehicle speed and the engine load. A control system is provided for controlling the speed ratio, when the engine throttle valve is fully clo...
05/19/1987
4665776Hydraulic control system with 4-2 timing arrangement for automatic transmission
Disclosed herein is a hydraulic control system for an automatic transmission wherein a first friction unit (C3) is engaged and a second friction unit (C2) is disengaged in downshifting from the 4th speed ratio to the 2nd speed ratio. An orifice device (66...
05/19/1987
4665777Control for shifting between gears of a vehicle automatic transmission
A vehicle automatic transmission having a torque converter and a multiple-stage gear mechanism. When the vehicle is stopped and the shift lever is moved from the N-range to the D-range, the gear mechanism is at first shifted up to the highest gear stage a...
05/19/1987
4665778Torque loaded ski tuning device
A device for sharpening skis having metal edges is disclosed. The device employs at least two spaced apart edge sharpening tools, such as files, which straddle the ski edges. Each file is connected to a constant torque device. In this manner the edge shar...
05/19/1987
4665779Method for making stripping dies
Stripping dies and a method of fabricating matching male and female stripping dies wherein the female die and a portion of the male die are fabricated from the same piece of wood. A series of separated sawcuts are cut into a first sheet of wood to define ...
05/19/1987
4665780Method of machining threaded pipe-ends
The invention concerns a process for machining a joint element for steel tubes, intended in particular for the petroleum industry, containing a truncated surface (2) and at least one screw stop. One first carries out final machining of a truncated surface (2) ...
05/19/1987
4665781Multi-spindle chucking machine
A machine tool includes a carrier supporting a plurality of rotary spindles each carrying a chuck for holding a workpiece. The carrier can be indexed to move the spindles between different stations. In one aspect of the invention, individual drive motors ...
05/19/1987
4665782Bearing arrangement for portable lathe
A portable lathe tool includes fixed and rotating split rings, the fixed ring arranged to be secured to a pipe workpiece, the rotating ring being relatively rotatable with respect thereto for carrying a tool capable of performing a machining operation on ...
05/19/1987
4665783Process and device for copying and threading in automatic square cycle
A process for copying and threading in automatic square cycle, applicable to and/or incorporated into engine lathes in general, includes material removing machining of parts by copying method in automatic square cycle, providing during the machining an au...
05/19/1987
4665784Machine tool
A machine tool, especially a lathe, has a pair of ways 2 and 3 of a longitudinal slide 6 and a pair of ways 4 and 5 of a tailstock, between which below ways 2 and 3 a headstock 8 is situated. Location of the axis of the object being machined below the pla...
05/19/1987
4665785Trim press
A multiple station sequentially operating trim press is arranged to receive workpieces for subsequent transfer from a loading station to a treatment station by means of a pivotally mounted workpiece support. After trimming and deburring, the workpiece is ...
05/19/1987
4665786Log handling and sawing system
A sawmill in which a multi-log supporting mechanism is constructed wherein logs are grasped at spaced angular positions about the mechanism and rotated by it between an initial receiving position to a profile measurement position and then to a sawing posi...
05/19/1987
4665787Cutting device for paper and foil webs, particularly for printers, plotters, copiers and similar machines
The cutting wheel (40) is rotatably guided in a cutting carrier (50), and under the force of a spring acting axially against the cutting rail (50) so that the cutting wheel (40) is pivotable out of a neutral starting position plane parallel to the cutting...
05/19/1987
4665788Keyboard apparatus
A keyboard-operated tone-producing apparatus having, in combination, keyboard means the keys of which are mounted for downward depression to effect tone production in the apparatus; electronic digital signal processor means; tone-generating means; pressur...
05/19/1987
4665789Chord selector for a stringed instrument
A device comprising mechanical means for fingering the fret board of a stringed instrument such as a guitar. The mechanical means includes a plurality of buttons, slide members, levers and string engaging members. By depressing an individual button, a plu...
05/19/1987
4665790Pitch identification device
A transducer receives notes from a musical instrument and converts them into a A.C. signals. The signals are passed to a frequency voltage converter which outputs a D.C. voltage representative of the played note. This voltage is converted to a voltage ran...
05/19/1987
4665791Method for accelerating an object and propelling arrangement for implementing the method for such object, particularly an object to be driven into ground below water
A method for effectuating the acceleration of an object, in particular a piercing or penetrator object, within a surrounding liquid medium of a density which is higher than the density of gases, such as in water; as well as an arrangement for producing an...
05/19/1987
4665792Missile longitudinal support assembly
A shock resistant missile longitudinal support assembly provides axial support to a canisterized missile while allowing the missile to translate under shock in any radial direction relative to the longitudinal axis of the canister....
05/19/1987
4665793Weapon with next round select feed system
An improvement is made in an externally driven gun having an ammunition feeder capable of providing at least two types of ammunition to the gun by incorporating a gear transmission into the driving mechanism coupled to the ammunition feeder to appropriate...
05/19/1987
4665794Armor and a method of manufacturing it
An armour plate (1) comprises cavities (2), which are arranged with a plurality of packing bodies (3) in an irregular or regular shape relative to each other. The packing bodies are hollow-bodied, preferably spherical or tubular, and consist of a non-meta...
05/19/1987
4665795Gun muzzle reference system
A muzzle reference system is provided for correcting errors in aiming signals produced by a fire-control system of an artillery gun having a gun muzzle pivotable about a first axis and movable about a second axis extending perpendicularly of the first axi...
05/19/1987
4665796Fluid flow control apparatus having a throttling arrangement
A fluid flow control apparatus having an adjustable throttling arrangement for controlling the flow of fluid between working cylinders associated with sections of an articulated vehicle, has a housing which is essentially symmetric in shape. Two working c...
05/19/1987
4665797Hydraulic distributor for a servomechanism with reaction on the input component
The distributor (10, 11), typically with a star-type rotor in a discoid stator, incorporates a valve means with an OR logic function (5, 5') of preselection of the direction of the reaction (22, 23) to be applied to the input component as a function of th...
05/19/1987
4665798Hydraulic distributor for a servo-mechanism with limited reaction on the input member
The distributor (10), typically with a star-shaped rotor in a discoid stator, comprises a reaction device (11) advantageously integrated in the distributor and providing the actuating member (17) of the distributor with a reaction opposite to the actuatin...
05/19/1987
4665799Control device for an actuator for moving a member which is movable between two positions, in particular for a heater or air conditioning installation for the cabin of a motor vehicle
The invention relates to a control device for a moving member such as a flap (20) under the control of an actuator (24a) which is supplied with fluid under pressure and connected to an exhaust by means of a slide valve (10a) which includes three elements ...
05/19/1987
4665800Tandem brake booster
A tandem brake booster (10) having a first wall (24) and a second wall (28) which move in opposite directions in response to a pressure differential created by allowing air to be communicated to a control chamber (26) while vacuum is present in operationa...
05/19/1987
4665801Compensated fluid flow control valve
A compensated direction flow control valve arrangement provided with a direction control spool for control of fluid flow to and from a fluid motor, which may be of a cylinder type and is subjected to positive and negative loads. During control of negative...
05/19/1987
4665802Shipping and installation restraining strap for slave cylinder
Improvement in a hydraulic control apparatus for actuating a remotely located mechanism having a shipping and installation restraining strap for an actuator having a housing and a linearly moveable output member projecting from the front end of the housin...
05/19/1987
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